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To: SteveG who wrote (541)	5/29/1998 11:57:00 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 5853

Hi Steve, and All, I don't know what Nacchio's talking about, if he said that. Not long ago, xWDM presented the plant people and the folks in the network engineering departments with some awkward situations. They just weren't used to dealing with wavelengths, because they didn't fit into any of the familiar cross connect schemes at the physical level, and they lacked heuristics in the straightforward North American Digital- or SONET- hierarchical sense that the industry had become accustomed to. Things are changing quickly in this regard. A secondary benefit of WDM (and those with plenty of bandwidth would argue that this is tied for first) is the enabling characteristics xWDM brings out in bandwidth administration, flow grooming and media "hand-off" schemes, with or without the need for more capacity. It's far less costly (dollarwise, and in many ways using the networking meanings of the word "cost") to add-drop (and soon, 'route') wavelengths than it is to back-to-back-to-back mux/demux/mux large envelopes of payloads (OC-xyz's) at cluster points, and along high density routes. And if he did state this (was it tongue-in-cheek or bravado?), I don't think his engineers would let him get away with it for too long. Frank C.